Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Georgiev, Ivanova, Vasilev, Irmscher, GraeserfiledCriticalGeorgiev
Priority to BG5827382ApriorityCriticalpatent/BG35198A1/en
Publication of BG35198A1publicationCriticalpatent/BG35198A1/en